Hydrogen sulfide tolerant oxygen gas sensing device
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United States of America Patent
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Issued Date -
Nov 16, 2006
app pub date -
May 3, 2005
filing date -
May 3, 2005
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Abstract
According to one aspect of the present disclosure, a hydrogen sulfide tolerant oxygen gas sensing device comprises a gas sensing portion including a gas inlet, a sensing electrode adjacent the gas inlet, a counter electrode, and an electrolyte contacting the sensing electrode and the counter electrode. The gas sensing device also includes a filter portion including a porous hydrogen sulfide gas removal medium. The hydrogen sulfide filter portion is disposed adjacent the gas inlet of the gas sensing portion and defines a gas flow pathway to the gas inlet, through the porous hydrogen sulfide gas removal medium.
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